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4780000239 = 37239952381
BaseRepresentation
bin1000111001110100…
…10000001111101111
3110100010102011121220
410130322100033233
534242140001424
62110151554423
7226311221520
oct43472201757
913303364556
104780000239
112033204a23
12b1498ba13
135b23c1311
14334b94847
151ce99b579
hex11ce903ef

4780000239 has 16 divisors (see below), whose sum is σ = 7314293760. Its totient is φ = 2719997280.

The previous prime is 4780000213. The next prime is 4780000273. The reversal of 4780000239 is 9320000874.

It is not a de Polignac number, because 4780000239 - 213 = 4779992047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780000039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471172 + ... + 481209.

It is an arithmetic number, because the mean of its divisors is an integer number (457143360).

Almost surely, 24780000239 is an apocalyptic number.

4780000239 is a deficient number, since it is larger than the sum of its proper divisors (2534293521).

4780000239 is a wasteful number, since it uses less digits than its factorization.

4780000239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952630.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 4780000239 is about 69137.5457982130. The cubic root of 4780000239 is about 1684.5192286267.

The spelling of 4780000239 in words is "four billion, seven hundred eighty million, two hundred thirty-nine", and thus it is an aban number.

Divisors: 1 3 7 21 239 717 1673 5019 952381 2857143 6666667 20000001 227619059 682857177 1593333413 4780000239